Question

find the area of the triangle formed by the point (2, 3), (-1, 0), (2, -4)

Answer 1

Answer:

area of triangle =

= 1/2 {x1 (y2 − y3 ) + x2(y3 − y1 ) + x3 (y1 − y2 )}

so after putting values in formula ..u will get 21/2

so therefore area of triangle is 21/2